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United States Patent | 5,348,648 |
Hamdan | September 20, 1994 |
A flotation device for the separation of nonmiscible liquids, particularly the separation of water and hydrocarbon pollutants, comprising a cylindrical tank divided by partitions into a feed flow rate homogenization compartment, at least one flotation cell equipped with a cyclone-turbine and a skimming chamber with self-stabilizing chute, and a tranquilization compartment, characterized in that said cyclone-turbine is equipped with a throttling disk and vortex stabilization baffles, and that the skimming chute is equipped with lateral floats and counterweights.
Inventors: | Hamdan; Adnan (Pau, FR) |
Assignee: | CECA, S.A. (FR) |
Appl. No.: | 956734 |
Filed: | October 2, 1992 |
Oct 03, 1991[FR] | 91 12197 |
Current U.S. Class: | 210/109; 209/169; 210/122; 210/195.1; 210/221.1; 210/242.1; 210/242.3; 210/319; 210/512.1; 210/512.3; 210/519; 210/540 |
Intern'l Class: | B01D 021/24; 242.3 |
Field of Search: | 210/109,122,195.1,202,208,219,221.1,221.2,319-320,512.1,512.3,514,540,519,242.1 209/144,211,169,168,170 |
2274658 | Mar., 1942 | Booth | 210/540. |
3951816 | Apr., 1976 | Bascope et al. | 210/514. |
4404912 | Aug., 1977 | Bascope et al. | 210/519. |
4721562 | Jan., 1988 | Barnscheidt et al. | 210/221. |
4802592 | Feb., 1989 | Wessels | 210/169. |
4990246 | Feb., 1991 | Blazejczak et al. | 210/109. |
5104520 | Apr., 1992 | Maronda et al. | 209/144. |
Foreign Patent Documents | |||
2022899 | Aug., 1990 | CA. | |
3808154 | Sep., 1989 | DE. | |
810521 | Sep., 1956 | GB. |